The popular Reddit question-and-answer section /r/IAmA, along with hundreds of others, have shut down in an apparent protest over the dismissal of a key figure at the social sharing site. Screengrab from Reddit.com hide caption

itoggle caption Screengrab from Reddit.com

Google's upcoming "now on tap" feature will let smartphone users ask a question within an app like Spotify. Google Inside Search hide caption

itoggle caption Google Inside Search

Former Swiss pilot Yves Rossy, known as Jetman, is the first person to fly a jet-fitted wing. Kamran Jebreili/AP hide caption

itoggle caption Kamran Jebreili/AP

Dwayne "The Rock" Johnson (right) stars opposite Rob Corddry in the HBO series Ballers. Jeff Daly/HBO hide caption

itoggle caption Jeff Daly/HBO

This is a calculated flood map for the city of St. Louis. Water depth goes from deep (dark blue) to shallow (white, light blue). Floodwater can come from the Illinois, Upper Mississippi and Missouri rivers, as well as from heavy local precipitation. Courtesy of Dag Lohmann/Katrisk hide caption

itoggle caption Courtesy of Dag Lohmann/Katrisk

Siri's answer to the brain-teaser question "What's zero divided by zero" generates a response that people find both funny and unnerving. NPR hide caption

itoggle caption NPR

Apple's senior vice president of Internet Software and Services Eddy Cue speaks about Apple Music during the keynote at the annual developers conference. Justin Sullivan/Getty Images hide caption

itoggle caption Justin Sullivan/Getty Images

Arturo Martinez watches his wife, Aurora Martinez, put on makeup in their San Rafael, Calif., home. She has Alzheimer's. Lynne Shallcross for NPR hide caption

itoggle caption Lynne Shallcross for NPR

Melissa Malzkuhn, director of the Motion Light Lab at Gallaudet University, suits up in motion capture to record a nursery rhyme for deaf children. Emma Bowman/NPR hide caption

itoggle caption Emma Bowman/NPR